Lillian

University of Pittsburgh

2014 年からアクティブ

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質問

Linear combinations of polynomials
Here's the setup a la Matlab: >> syms a b c d abcA >> p1 = expand((a^2+b^2+c^2+d^2+2-2*a*b*c*d)^2) >> p2 = subs(p1,d^...

10年以上前 | 0 件の回答 | 0

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質問

How to find a linear combination for a polynomial in multiple variables
Here's the setup a la Matlab: >> syms a b c d abcA >> p1 = expand((a^2+b^2+c^2+d^2+2-2*a*b*c*d)^2) >> p2 = subs(p1,d^...

10年以上前 | 0 件の回答 | 0

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質問

Why is numden function returning values with fractions?
I'm trying to simplify an expression. I wrote: >> syms r a b c d x y; A = tanh(a/4)*sqrt((cosh(r)-cosh(a/2))/(cosh(r)+c...

10年以上前 | 0 件の回答 | 0

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質問

what does the simplify command do?
I was just wondering what sort of things simplify() is able to handle. What exactly does it do? I am trying to simpl...

10年以上前 | 1 件の回答 | 1

1

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質問

Why is Matlab not writing out all the terms in an expansion?
I am trying to expand some polynomials, and I typed: >> y1 Syms s1 s2 s3 s4; y1 = (s1^2 - 4*s2 + 8*s4^(1/2))*(4*s2...

11年弱前 | 0 件の回答 | 0

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質問

Why is the word "and" coming up in my output?
I am trying to simplify an expression, but the word "and" keeps popping up in my result. When I try to work with this further, I...

11年弱前 | 1 件の回答 | 0

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